Home / 5,178.89-7,766.62-2,059.67

Finding the Fourth Proportional to 5,178.89, 7,766.62 and 2,059.67

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Solution

The fourth proportional to 5,178.89, 7,766.62 and 2,059.67 is: 3,088.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178.89 : 7,766.62 = 2,059.67 : x
  2. Step 2: Convert to fraction form
    5,178.89/7,766.62 = 2,059.67/x
  3. Step 3: Cross multiply
    5,178.89x = 7,766.62 × 2,059.67
  4. Step 4: Simplify right side
    5,178.89x = 15,996,630.23
  5. Step 5: Solve for x
    x = 15,996,630.23/5,178.89
  6. Step 6: Final answer
    x = 3,088.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.